diff --git a/homeassistant/components/fronius/__init__.py b/homeassistant/components/fronius/__init__.py
index 03d80e3b2d9..4ba893df85c 100644
--- a/homeassistant/components/fronius/__init__.py
+++ b/homeassistant/components/fronius/__init__.py
@@ -60,7 +60,7 @@ async def async_unload_entry(hass: HomeAssistant, entry: FroniusConfigEntry) ->
 
 
 async def async_remove_config_entry_device(
-    hass: HomeAssistant, config_entry: ConfigEntry, device_entry: dr.DeviceEntry
+    hass: HomeAssistant, config_entry: FroniusConfigEntry, device_entry: dr.DeviceEntry
 ) -> bool:
     """Remove a config entry from a device."""
     return True
diff --git a/homeassistant/components/fronius/config_flow.py b/homeassistant/components/fronius/config_flow.py
index 53433e31233..ccc15d80401 100644
--- a/homeassistant/components/fronius/config_flow.py
+++ b/homeassistant/components/fronius/config_flow.py
@@ -87,7 +87,7 @@ class FroniusConfigFlow(ConfigFlow, domain=DOMAIN):
                 errors["base"] = "unknown"
             else:
                 await self.async_set_unique_id(unique_id, raise_on_progress=False)
-                self._abort_if_unique_id_configured(updates=dict(info))
+                self._abort_if_unique_id_configured()
 
                 return self.async_create_entry(title=create_title(info), data=info)
 
diff --git a/tests/components/fronius/test_config_flow.py b/tests/components/fronius/test_config_flow.py
index 5d0b93e7cd5..ed90e266b81 100644
--- a/tests/components/fronius/test_config_flow.py
+++ b/tests/components/fronius/test_config_flow.py
@@ -205,10 +205,10 @@ async def test_form_already_existing(hass: HomeAssistant) -> None:
     assert result2["reason"] == "already_configured"
 
 
-async def test_form_updates_host(
+async def test_config_flow_already_configured(
     hass: HomeAssistant, aioclient_mock: AiohttpClientMocker
 ) -> None:
-    """Test existing entry gets updated."""
+    """Test existing entry doesn't get updated by config flow."""
     old_host = "http://10.1.0.1"
     new_host = "http://10.1.0.2"
     entry = MockConfigEntry(
@@ -231,26 +231,20 @@ async def test_form_updates_host(
     )
 
     mock_responses(aioclient_mock, host=new_host)
-    with patch(
-        "homeassistant.components.fronius.async_unload_entry",
-        return_value=True,
-    ) as mock_unload_entry:
-        result2 = await hass.config_entries.flow.async_configure(
-            result["flow_id"],
-            {
-                "host": new_host,
-            },
-        )
-        await hass.async_block_till_done()
-
+    result2 = await hass.config_entries.flow.async_configure(
+        result["flow_id"],
+        {
+            "host": new_host,
+        },
+    )
+    await hass.async_block_till_done()
     assert result2["type"] is FlowResultType.ABORT
     assert result2["reason"] == "already_configured"
 
-    mock_unload_entry.assert_called_with(hass, entry)
     entries = hass.config_entries.async_entries(DOMAIN)
     assert len(entries) == 1
     assert entries[0].data == {
-        "host": new_host,
+        "host": old_host,  # not updated from config flow - only from reconfigure flow
         "is_logger": True,
     }
 
@@ -326,11 +320,13 @@ async def test_dhcp_invalid(
 
 async def test_reconfigure(hass: HomeAssistant) -> None:
     """Test reconfiguring an entry."""
+    old_host = "http://10.1.0.1"
+    new_host = "http://10.1.0.2"
     entry = MockConfigEntry(
         domain=DOMAIN,
         unique_id="1234567",
         data={
-            CONF_HOST: "10.1.2.3",
+            CONF_HOST: old_host,
             "is_logger": True,
         },
     )
@@ -357,7 +353,7 @@ async def test_reconfigure(hass: HomeAssistant) -> None:
         result = await hass.config_entries.flow.async_configure(
             result["flow_id"],
             user_input={
-                "host": "10.9.1.1",
+                "host": new_host,
             },
         )
         await hass.async_block_till_done()
@@ -365,7 +361,7 @@ async def test_reconfigure(hass: HomeAssistant) -> None:
     assert result["type"] is FlowResultType.ABORT
     assert result["reason"] == "reconfigure_successful"
     assert entry.data == {
-        "host": "10.9.1.1",
+        "host": new_host,
         "is_logger": False,
     }
     assert len(mock_setup_entry.mock_calls) == 1